The normal electrocardiogram in 1380 healthy Korean, consisting of (830 males, and 550 females) were studied. The conventional twelve leads and special leads(VSR, V7, V,) of the electrocardiogram were made with "Sanborn Viso Cardiette."
Juvenile group below age of 19 was classified into 3 sub-groups, namely 5 to 9 years, 10 to 14 years and 15 to 19 years of age.
Adult group over age of 20 was classified into 4 sub-groups namely, 20 to 29 years, 30 to 39 years, 40 to4 9 years and over 50 years of age.
|